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All results from a given calculation for CH2CHOH (ethenol)

using model chemistry: QCISD/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD/6-31G(2df,p)
 hartrees
Energy at 0K-153.471472
Energy at 298.15K-153.475639
Nuclear repulsion energy70.340795
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD/6-31G(2df,p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3879 3675 34.49      
2 A' 3306 3132 5.90      
3 A' 3248 3077 4.98      
4 A' 3202 3034 4.38      
5 A' 1742 1651 131.95      
6 A' 1476 1398 14.65      
7 A' 1391 1318 0.58      
8 A' 1352 1281 5.86      
9 A' 1144 1084 168.10      
10 A' 977 925 9.63      
11 A' 492 466 12.77      
12 A" 1021 968 23.50      
13 A" 848 803 51.66      
14 A" 730 691 0.02      
15 A" 459 435 106.92      

Unscaled Zero Point Vibrational Energy (zpe) 12633.5 cm-1
Scaled (by 0.9474) Zero Point Vibrational Energy (zpe) 11968.9 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD/6-31G(2df,p)
ABC
2.02897 0.35183 0.29984

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD/6-31G(2df,p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 1.213 -0.110 0.000
C2 0.000 0.441 0.000
O3 -1.194 -0.210 0.000
H4 1.362 -1.183 0.000
H5 2.090 0.521 0.000
H6 -0.153 1.513 0.000
H7 -1.021 -1.155 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 H4 H5 H6 H7
C11.33202.40951.08401.08012.12112.4665
C21.33201.36042.11942.09151.08351.8943
O32.40951.36042.73513.36482.01390.9603
H41.08402.11942.73511.85333.09292.3829
H51.08012.09153.36481.85332.45263.5336
H62.12111.08352.01393.09292.45262.8059
H72.46651.89430.96032.38293.53362.8059

picture of ethenol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 127.006 C1 C2 H6 122.512
C2 C1 H4 122.286 C2 C1 H5 119.887
C2 O3 H7 108.188 O3 C2 H6 110.482
H4 C1 H5 117.827
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability